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2402211a DT |
1 | /* |
2 | * Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. | |
3 | * | |
4 | * This copyrighted material is made available to anyone wishing to use, | |
5 | * modify, copy, or redistribute it subject to the terms and conditions | |
6 | * of the GNU General Public License v.2. | |
7 | */ | |
8 | ||
9 | #ifndef __DLM_PLOCK_DOT_H__ | |
10 | #define __DLM_PLOCK_DOT_H__ | |
11 | ||
37eb1f4c JSR |
12 | #include <linux/types.h> |
13 | ||
2402211a DT |
14 | #define DLM_PLOCK_MISC_NAME "dlm_plock" |
15 | ||
16 | #define DLM_PLOCK_VERSION_MAJOR 1 | |
17 | #define DLM_PLOCK_VERSION_MINOR 1 | |
18 | #define DLM_PLOCK_VERSION_PATCH 0 | |
19 | ||
20 | enum { | |
21 | DLM_PLOCK_OP_LOCK = 1, | |
22 | DLM_PLOCK_OP_UNLOCK, | |
23 | DLM_PLOCK_OP_GET, | |
24 | }; | |
25 | ||
26 | struct dlm_plock_info { | |
27 | __u32 version[3]; | |
28 | __u8 optype; | |
29 | __u8 ex; | |
30 | __u8 wait; | |
31 | __u8 pad; | |
32 | __u32 pid; | |
33 | __s32 nodeid; | |
34 | __s32 rv; | |
35 | __u32 fsid; | |
36 | __u64 number; | |
37 | __u64 start; | |
38 | __u64 end; | |
39 | __u64 owner; | |
40 | }; | |
41 | ||
42 | #ifdef __KERNEL__ | |
43 | int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file, | |
44 | int cmd, struct file_lock *fl); | |
45 | int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file, | |
46 | struct file_lock *fl); | |
47 | int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file, | |
48 | struct file_lock *fl); | |
49 | #endif /* __KERNEL__ */ | |
50 | ||
51 | #endif | |
52 |